EP 3550110 B1 20210602 - AIRFOIL HAVING LEADING EDGE COOLING SCHEME WITH BACKSTRIKE COMPENSATION
Title (en)
AIRFOIL HAVING LEADING EDGE COOLING SCHEME WITH BACKSTRIKE COMPENSATION
Title (de)
SCHAUFELBLATT MIT VORDERKANTENKÜHLUNGSSCHEMA MIT RÜCKSCHLAGKOMPENSATION
Title (fr)
PROFIL AÉRODYNAMIQUE AYANT UN SCHÉMA DE REFROIDISSEMENT DE BORD D'ATTAQUE À COMPENSATION DE FRAPPE ARRIÈRE
Publication
Application
Priority
US 201815945170 A 20180404
Abstract (en)
[origin: EP3550110A1] Airfoils for gas turbine engines are provided. The airfoils (400) include an internal cold wall (414) defining a leading edge feed cavity (416) proximate a leading edge (404) and an external hot wall (412) defining a leading edge skin core cavity (410) between the external wall and the internal wall. The leading edge skin core cavity includes an inlet portion (420) and an outlet portion (422). At least one impingement hole (418) is formed in the internal wall and fluidly connects the leading edge feed cavity to the inlet portion. At least one film cooling hole (424) is formed in the external wall and fluidly connects the outlet portion to an exterior of an airfoil body (402). The impingement inlet portion has a first height (H) defined as a distance between the external wall and the internal wall for a length of the impingement inlet portion, and the film outlet portion has a second height (H) that is greater than the first height.
IPC 8 full level
F01D 5/18 (2006.01)
CPC (source: EP US)
F01D 5/186 (2013.01 - EP US); F01D 5/187 (2013.01 - EP US); F05D 2240/121 (2013.01 - EP US); F05D 2240/303 (2013.01 - EP US); F05D 2260/201 (2013.01 - EP US); F05D 2260/202 (2013.01 - EP US); F05D 2260/204 (2013.01 - EP US); F05D 2260/22141 (2013.01 - US); Y02T 50/60 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3550110 A1 20191009; EP 3550110 B1 20210602; US 2019309631 A1 20191010
DOCDB simple family (application)
EP 19167429 A 20190404; US 201815945170 A 20180404